Jeep Grand Cherokee WK. Manual — part 153

C1078-TIRE REVOLUTIONS RANGE PERFORMANCE (CONTINUED)

5.

CHECK THE (D65) CAN C (+) BUS CIRCUIT FOR A SHORT TO VOLTAGE

Turn the ignition on.

Measure the voltage of the (D65) CAN C (+) BUS circuit.

Is there any voltage present?

Yes

>> Repair the (D65) CAN C (+) BUS circuit for a short to volt-

age.

Perform ABS VERIFICATION TEST - VER 1.

No

>> Go To 6

6.

CHECK THE (D65) CAN C (+) BUS CIRCUIT FOR AN OPEN CIRCUIT

Turn the ignition off.

Measure the resistance of the (D65) CAN C (+) Bus circuit.

Is the resistance below 5.0 ohms?

Yes

>> Go To 7

No

>> Repair the (D65) CAN C (+) BUS circuit for an open cir-

cuit.

Perform ABS VERIFICATION TEST - VER 1.

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BRAKES - BRAKE CONTROLLER ELECTRICAL DIAGNOSTICS

WK

C1078-TIRE REVOLUTIONS RANGE PERFORMANCE (CONTINUED)

7.

CHECK THE (D64) CAN C (-) BUS CIRCUIT FOR A SHORT TO GROUND

Measure the resistance between ground and the (D64) CAN C (-) BUS
circuit.

Is the resistance below 5.0 ohms?

Yes

>> Repair the (D64) CAN C (-) BUS circuit for a short to

ground.

Perform ABS VERIFICATION TEST - VER 1.

No

>> Go To 8

8.

CHECK THE (D64) CAN C (-) BUS CIRCUIT FOR A SHORT TO VOLTAGE

Turn the ignition on.

Measure the voltage of the (D64) CAN C (+) BUS circuit.

Is there any voltage present?

Yes

>> Repair the (D64) CAN C (-) BUS circuit for a short to volt-

age.

Perform ABS VERIFICATION TEST - VER 1.

No

>> Go To 9

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BRAKES - BRAKE CONTROLLER ELECTRICAL DIAGNOSTICS

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C1078-TIRE REVOLUTIONS RANGE PERFORMANCE (CONTINUED)

9.

CHECK THE (D64) CAN C (-) BUS CIRCUIT FOR AN OPEN CIRCUIT

Turn the ignition off.

Measure the resistance of the (D64) CAN C (-) Bus circuit.

Is the resistance below 5.0 ohms?

Yes

>> Replace the Anti-Lock Brake Module in accordance with

the Service information.

Perform ABS VERIFICATION TEST - VER 1.

No

>> Repair the (D64) CAN C (-) BUS circuit for an open circuit.

Perform ABS VERIFICATION TEST - VER 1.

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BRAKES - BRAKE CONTROLLER ELECTRICAL DIAGNOSTICS

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C107D-BRAKE PEDAL SWITCH 1/2 CORRELATION

WK

BRAKES - BRAKE CONTROLLER ELECTRICAL DIAGNOSTICS

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